WASET
    M. Invigorito and  G. Elia and  M. Panelli,  An Improved Approach for Hybrid Rocket Injection System Design.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2016, vol. 112(4). 686 - 696
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10004094.